It's certainly not the first time the swimsuit model has exposed her belly. In addition to posting several bikini selfies, Prinsloo also posed for a topless maternity photo shoot back in June.

See photos of Behati Prinsloo and Adam Levine together:

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Adam Levine and Behati Prinsloo

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Adam Levine and Behati Prinsloo

INDIO, CA - APRIL 10: Musician Adam Levine (L) and model Behati Prinsloo attend day 1 of the 2015 Coachella Valley Music & Arts Festival (Weekend 1) at the Empire Polo Club on April 10, 2015 in Indio, California. (Photo by Christopher Polk/Getty Images for Coachella)

LAS VEGAS, NV - DECEMBER 02: (L-R) Model Chrissy Teigen, singer Katharine McPhee, model Behati Prinsloo, singer John Legend and singer Adam Levine attend 'Sinatra 100: An All-Star GRAMMY Concert' celebrating the late Frank Sinatra's 100th birthday at the Encore Theater at Wynn Las Vegas on December 2, 2015 in Las Vegas, Nevada. The show will air on CBS on December 6. (Photo by Lester Cohen/WireImage)

LAS VEGAS, NV - DECEMBER 02: Adam Levine and Behati Prinsloo pose backstage during 'Sinatra 100: An All-Star GRAMMY Concert' celebrating the late Frank Sinatra's 100th birthday at the Encore Theater at Wynn Las Vegas on December 2, 2015 in Las Vegas, Nevada. The show will air on CBS on December 6. (Photo by Kevin Mazur/WireImage)

LOS ANGELES, CA - NOVEMBER 23: Singer/Songwriter Adam Levine and Behati Prinsloo attend the NBA game between the Denver Nuggets and the Los Angeles Lakers at Staples Center on November 23, 2014 in Los Angeles, California. (Photo by Victor Decolongon/Getty Images)

LOS ANGELES, CA - NOVEMBER 23: Adam Levine (R) and Behati Prinsloo attend a basketball game between the Denver Nuggets and the Los Angeles Lakers at Staples Center on November 23, 2014 in Los Angeles, California. (Photo by Noel Vasquez/GC Images)

LOS ANGELES, CA - OCTOBER 28: Adam Levine (L) and Behati Prinsloo attend a basketball game between the Houston Rockets and the Los Angeles Lakers at Staples Center on October 28, 2014 in Los Angeles, California. (Photo by Noel Vasquez/GC Images)

NEW YORK NY - SEPTEMBER 05: Adam Levine and Behati Prinsloo sighting on September 05, 2014 in New York City. (Photo by Josiah Kamau/BuzzFoto/FilmMagic)

NEW YORK, NY - SEPTEMBER 03: Behati Prinsloo (L) and Adam Levine attend the launch party for Herring & Herring: Framed magazine at Lovers Of Today on September 3, 2014 in New York City. (Photo by Desiree Navarro/WireImage)

NEW YORK, NY - JUNE 25: Adam Levine (R) and Model Behati Prinsloo attend the 'Begin Again' premiere at SVA Theater on June 25, 2014 in New York City. (Photo by Mike Pont/FilmMagic)

WEST HOLLYWOOD, CA - MARCH 02: Musician Adam Levine of Maroon 5 and Model Behati Prinsloo arrive to the 2014 Vanity Fair Oscar Party on March 2, 2014 in West Hollywood, California. (Photo by C Flanigan/WireImage)

NEW YORK, NY - OCTOBER 24: Adam Levine and Behati Prinsloo attend the 2012 GQ Gentlemen's Ball presented by LG, Movado, and Nautica on October 24, 2012 in New York City. (Photo by Dimitrios Kambouris/Getty Images for GQ,)

IMAGE DISTRIBUTED FOR THE TELEVISION ACADEMY - Behati Prinsloo, left, and Adam Levine arrive at the 66th Primetime Emmy Awards at the Nokia Theatre L.A. Live on Monday, Aug. 25, 2014, in Los Angeles. (Photo by Evan Agostini/Invision for the Television Academy/AP Images)

EXCLUSIVE - Adam Levine, left, and Behati Prinsloo pose backstage in the green room at the 66th Primetime Emmy Awards at the Nokia Theatre L.A. Live on Monday, Aug. 25, 2014, in Los Angeles. (Photo by Danny Moloshok/Invision for the Television Academy/AP Images)

NEW YORK, NY - APRIL 26: Musician Adam Levine (L) and model Behati Prinsloo attend the CHANEL Dinner in honor of the 2014 Tribeca Film Festival closing night film 'Begin Again' at Tribeca Grill on April 26, 2014 in New York City. (Photo by Bryan Bedder/Getty Images for CHANEL)

WEST HOLLYWOOD, CA - MARCH 02: (EXCLUSIVE ACCESS, SPECIAL RATES APPLY) Behati Prinsloo and Adam Levine attend the 2014 Vanity Fair Oscar Party Hosted By Graydon Carter on March 2, 2014 in West Hollywood, California. (Photo by Kevin Mazur/VF14/WireImage)

NEW YORK, NY - NOVEMBER 15: (EXCLUSIVE COVERAGE) Behati Prinsloo and Adam Levine are seen in the West Village on November 15, 2013 in New York City. (Photo by Alo Ceballos/FilmMagic)

NEW YORK, NY - NOVEMBER 15: (EXCLUSIVE COVERAGE) Behati Prinsloo and Adam Levine are seen in the West Village on November 15, 2013 in New York City. (Photo by Alo Ceballos/FilmMagic)

NEW YORK, NY - OCTOBER 24: Adam Levine and Behati Prinsloo attend the 2012 GQ Gentlemen's Ball presented by LG, Movado, and Nautica on October 24, 2012 in New York City.(Photo by Dimitrios Kambouris/Getty Images for GQ,)

NEW YORK, NY - OCTOBER 24: Behati Prinsloo, Adam Levine, Ted Danson and Kate Danson attend the 2012 GQ Gentlemen's Ball presented by LG, Movado, and Nautica on October 24, 2012 in New York City. (Photo by Dimitrios Kambouris/Getty Images for GQ,)